JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Autoruner.55294
Added to the Dr.Web virus database:
2011-07-29
Virus description added:
2011-07-30
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{16AB9DED-CBAE-1AEE-3EF9-D7FC5BC5E5BA}] 'StubPath' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
[<HKCU>\Software\Microsoft\Active Setup\Installed Components\{16AB9DED-CBAE-1AEE-3EF9-D7FC5BC5E5BA}] 'StubPath' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Google Tool' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google Tool' = '%APPDATA%\GoogleTool\Google Toolbar.exe'
Creates the following files on removable media:
<Drive name for removable media>:\<Virus name>.exe
<Drive name for removable media>:\Autorun.ini
<Drive name for removable media>:\Diskrun.exe
<Drive name for removable media>:\Autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\GoogleTool\Google Toolbar.exe' = '%APPDATA%\GoogleTool\Google Toolbar.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Executes the following:
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\GoogleTool\Google Toolbar.exe" /t REG_SZ /d "%APPDATA%\GoogleTool\Google Toolbar.exe:*:Enabled:Windows Messanger" /f
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to virus>" /t REG_SZ /d "<Full path to virus>:*:Enabled:Windows Messanger" /f
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Modifies file system :
Creates the following files:
%APPDATA%\GoogleTool\Google Toolbar.exe
%APPDATA%\GoogleTool\DarkComet Update
C:\Diskrun.exe
C:\Autorun.inf
Sets the 'hidden' attribute to the following files:
<Full path to virus>
%APPDATA%\GoogleTool\Google Toolbar.exe
<Drive name for removable media>:\Autorun.ini
<Drive name for removable media>:\<Virus name>.exe
C:\Autorun.inf
C:\Diskrun.exe
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\Diskrun.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK